Lawn and Garden
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This publication provides guidelines for the planting and care of pansies to ensure success, including planting time, bed preparation, plant spacing, planting procedures, fertilization, freeze protection, and common insect and disease problems. Since seasonal color is a high-cost investment in the landscape, it is important to get the maximum return on your investment by following these planting and cultural guidelines.
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This publication is devoted specifically to covering everything you need to know about growing herbaceous perennials, primarily to those that persist from crowns and/or fleshy roots.
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C 858-14
Uranium in Your Water
Uranium in your drinking water may be harmful to your health. If your water comes from a public system, it is routinely tested to ensure safe levels of uranium. If your source of household water is a private well, cistern or spring, you are solely responsible for the quality of your own drinking water. Private well owners are encouraged to monitor uranium through water testing.
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This publication describes forest farming (also known as forest gardening), which can be defined as cultivation of plants under a forest canopy (as opposed to wildcrafting, the practice of collecting wild plants and products from a forest). It includes suggestions for appropriate plants for cultivation in the Southeast.
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C 1026
Home Garden Asparagus
For gardeners who are willing to put in a little effort and have some patience, asparagus can be a rewarding and delicious vegetable to grow. This publication explains how to grow asparagus in a home vegetable garden.
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As pecan trees grow in an orchard, their tree canopies encroach upon one another, causing excessive shading, which can increase alternate bearing intensity and reduce tree health and orchard profitability. Historically, limb pruning and tree removal have been the most common methods of dealing with this problem, particularly in the low-light environment of the southeastern United States. Mechanical hedge pruning has been used successfully in high-light environments to mitigate the effects of orchard shading and has become the standard method used for this purpose in the arid production regions of the western United States. The southeastern United States is a relatively low-light environment, exhibiting significant cloud cover and atmospheric water vapor throughout the growing season, which can further limit sunlight in orchard systems. Mechanical hedge pruning offers a solution to this problem, which can also help minimize issues related to pecan scab, hurricanes/tropical storms, and alternate bearing.
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Gloomy scale (Melanaspis tenebricosa) is a serious insect pest that affects maple trees in urban Georgia. It can go undetected for years. Affected trees can show branch dieback and canopy thinning after 6–10 years, when the population reaches extremely high densities. A waxy shield covering protects females from predators and insecticide exposure, and usually gives them a convex shape.
The armored scale wax covering on the bodies of gloomy scale can be detached using a knife. This is different than soft scales, such as wax scales, which are glued to the females’ bodies. Gloomy scales do not produce honeydew, also unlike soft scales. Female gloomy scales have piercing and sucking mouthparts that look like tubes that are inserted into the parenchyma cells (cells that synthesize and store trees’ organic products) in the epidermal layer of tree bark. Male gloomy scales do not have mouthparts. The black and gray dust that deposits on tree bark makes scale detection even more challenging over time, as they camouflage to the color and texture of the bark. This is especially true for trees planted along right-of-ways and parking lots.|
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Oak lecanium, Parthenolecanium quercifex (Hemiptera: Coccidae), is a common soft scale insect pest of oak trees and other woody plants. They infest trees under high stress, such as those planted in parking lots, greenscapes, and other urban areas. Like other soft scale insects, oak lecanium scales feed on tree sap, and they excrete the excess sugars as honeydew. Sooty mold fungus grows on honeydew, and its black color blocks sunlight and interrupts photosynthesis. Although lecanium scales have little immediate impact on twigs and branches, extensive infestation and subsequent feeding damage may weaken or kill the tree over time. The problems with lecanium scale are worsened in urban landscapes where local temperatures are generally higher. Higher temperatures decrease the relative number of parasites that feed on scale insects, and the high densities of surviving females continue to produce viable eggs.
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Whether from a local store, regional supplier, or another farmer down the road, understanding where your soil amendments come from and how they were handled prior to reaching your farm or garden is necessary to ensure you are sourcing the highest quality product with the lowest amount of risk.
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